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Chapter 7: ST Monitoring
7.3 ST Alarm Messages
The alarm occurs when ST value exceeds the adjusted alarm limits:
Alarm
ST segment value violates
ST HIGH
adjusted high limit
ST segment value violates
ST LOW
adjusted low limit
ST messages include:
Alarm
The ST algorithm has
ST OUT OF
calculated value +1mV
outside the high end of the
RANGE HIGHT
ST measurement range.
The ST algorithm has
calculated value -1mV
ST OUT OF
outside the low end of the
RANGE LOW
ST measurement range.
Alarm level of above messages is set in ST WINDOW. By pressing ALARM SILENCE, the
message background becomes gray and alarm is disabled for 120S.
Situation
Cause
●Check the ISO and ST
measuring points.
●Observe the patient
and treat if clinically
indicated.
●Check the ISO and ST
measuring points.
●Observe the patient
and treat if clinically
indicated.
7-8
Visual prompt
●ST value blinks.
●The alarm indicator
flashes.
● The alarm message is
displayed in a background
corresponding to its level.
●ST value blinks.
● The alarm indicator
flashes.
● The alarm message is
displayed in a background
corresponding to its level.
Solution
The alarm level is set in ST
WINDOW.
The alarm level is set in ST
WINDOW.
User Manual
Audio sound
Activated
Activated
Explanation
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